Home / 52,141.18-71,953.89-29,479.78

Finding the Fourth Proportional to 52,141.18, 71,953.89 and 29,479.78

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Solution

The fourth proportional to 52,141.18, 71,953.89 and 29,479.78 is: 40,681.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,141.18 : 71,953.89 = 29,479.78 : x
  2. Step 2: Convert to fraction form
    52,141.18/71,953.89 = 29,479.78/x
  3. Step 3: Cross multiply
    52,141.18x = 71,953.89 × 29,479.78
  4. Step 4: Simplify right side
    52,141.18x = 2,121,184,847.34
  5. Step 5: Solve for x
    x = 2,121,184,847.34/52,141.18
  6. Step 6: Final answer
    x = 40,681.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.